A wheel and axle is a type of simple machine that consists of a large object (the wheel) that surrounds and turns a smaller object (the axle).

Which of the following is an example of a wheel and axle?
A.
doorknob
B.
steering wheel
C.
screwdriver
D.
all of these

is has three carbons, so the answer is propylamine.

meth-

eth-

prop-

but-

pent-

hex-

hept-

oct-

non-

explanation:

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".